- 1 备份原来的sorce文件
- 2 修改sources.list文件
- 默认注释了源码镜像以提高 apt update 速度,如有需要可自行取消注释
- https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse">deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
- https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse">deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
- https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse">deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
- https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse">deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
- 预发布软件源,不建议启用
- https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse">deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
- https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse">deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
- 3 更新镜像源
因为使用 apt-get 命令默认是从国外的服务器下载安装软件的,会导致下载安装速度很慢,所以需要更改成国内的镜像源服务器。
镜像源说明:
镜像源就是下载软件来源的服务器。
镜像源效果图:
- 复制
查看系统版本号:
1 备份原来的sorce文件
sudo cp /etc/apt/sources.list /etc/apt/sources.list.old
2 修改sources.list文件
sudo gedit /etc/apt/sources.list
将sources.list内容清空,然后选择一个源粘贴到sources.list,保存退出。
- 清华镜像源
```python
默认注释了源码镜像以提高 apt update 速度,如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiversedeb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiversedeb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiversedeb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiversedeb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
预发布软件源,不建议启用
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
3 更新镜像源
sudo apt-get update